I am a fan of low down anchor light that illuminates some of the boat superstructure. This makes distance judgment much easier for boats approaching the anchorage.

As well as the excellent owl Bebi make an owl with twice as many LEDs the Masina
Malosi. The power consumption is still tiny. Its worth considering especially at the top of the mast where its more likely to be lost in the background of shore lights.

I am a fan of low down anchor light that illuminates some of the boat superstructure. This makes distance judgment much easier for boats approaching the anchorage.

As well as the excellent owl Bebi make an owl with twice as many LEDs the Masina
Malosi. The power consumption is still tiny. Its worth considering especially at the top of the mast where its more likely to be lost in the background of shore lights.

I fitted 2 of these inside a tricolor/ anchor masthead fitting....and still only used the 2 wires going up the mast that came with the Catalina anchor light up there.
Using a 6 pole switch the current can be reversed to light one LED or the other....brilliant!! I recall it's on Bebe's website how to do it?!

Hi
The problem is not the bulb but your power. After a friends bad experience with LEDs I did some research. LEDs are very sensitive to voltage changes. The normal range on a boat with battery low to absorb charge is about twice what they can stand.
What I did and I have used Dr LED bulbs which are poor for 4+ years now with no problems for all my nav lights is to provide a constant 12 volts to the lights. The parts are readily available from Digikey or Mouser for less than $5.00. Simply build a regulator capable of the total amperage your lights will need and put it in the circuit. More work than putting a bulb in but less money and in the future you can use what ever you want if caught some where you can not get that special one. Hint, build the reg so it will power incandescent bulbs in case.
Bob